WO2000015035A1 - Composition insecticide - Google Patents

Composition insecticide Download PDF

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Publication number
WO2000015035A1
WO2000015035A1 PCT/CA1999/000755 CA9900755W WO0015035A1 WO 2000015035 A1 WO2000015035 A1 WO 2000015035A1 CA 9900755 W CA9900755 W CA 9900755W WO 0015035 A1 WO0015035 A1 WO 0015035A1
Authority
WO
WIPO (PCT)
Prior art keywords
composition
acid
acetic acid
surfactant
citric acid
Prior art date
Application number
PCT/CA1999/000755
Other languages
English (en)
Inventor
John S. Lojek
Margaret Anne Lojek
Original Assignee
Ecoval Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to BR9913699-6A priority Critical patent/BR9913699A/pt
Priority to AU52748/99A priority patent/AU5274899A/en
Priority to EP99938103A priority patent/EP1113719A1/fr
Priority to US09/787,042 priority patent/US6586470B1/en
Priority to CA002343143A priority patent/CA2343143A1/fr
Priority to IL14194499A priority patent/IL141944A0/xx
Application filed by Ecoval Inc. filed Critical Ecoval Inc.
Priority to JP2000569636A priority patent/JP2002524474A/ja
Priority to MXPA01002709A priority patent/MXPA01002709A/es
Priority to EA200100333A priority patent/EA003401B1/ru
Priority to KR1020017003240A priority patent/KR20010079812A/ko
Publication of WO2000015035A1 publication Critical patent/WO2000015035A1/fr
Priority to NO20011281A priority patent/NO20011281L/no

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/02—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/36—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
    • A01N43/08—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings with oxygen as the ring hetero atom
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
    • A01N25/10—Macromolecular compounds

Definitions

  • the present invention relates to aqueous compositions of acetic acid, and especially to aqueous compositions of acetic acid and at least one of citric acid, malic acid and ascorbic acid, that may be used as insecticides.
  • the compositions may additionally contain minor amounts of surfactant, soap and/or propylene glycol.
  • Synergistic combinations of acetic and citric acids are known for use as a herbicide, as disclosed in U.S. Patents 5,573,997 and 5,705,455.
  • Such compositions consist essentially of acetic acid and citric acid in weight ratios in the range of about 10:1 to about 0.5:1 , and with concentrations of acetic acid that are up to about 10 wt.%.
  • the herbicidal compositions can be formulated to effectively and rapidly kill all vegetative growth, including normally hard-to-kill weeds as well as grasses.
  • the herbicidal compositions may be formulated as a selective herbicide, for example, to kill common lawn weeds, leaving the grass unaffected.
  • the herbicidal compositions may also be used as defoliants.
  • insecticidal compositions are required to paralyze or kill, depending on the particular method of use, insects that infest a plant, without killing the plant.
  • insecticides are required to have a complete absence of herbicidal activity, or at most only slight herbicidal activity, so that the host plant of the insects is not killed. If any wilting of the plant is observed by the user of the insecticide, then the insecticide will normally be deemed to be unacceptable.
  • the insecticide also exhibit properties such that it may be applied to edible material e.g. vegetables, or be capable of being safely applied to vegetation without risk of harm to animals, including humans.
  • insecticidal composition has now been found that is effective against a variety of insects, with no or minimal herbicidal properties.
  • the insecticidal compositions may be formulated to paralyze insects or to kill them, and moreover may be formulated for effectiveness against several kinds of common insects.
  • the insecticidal compositions are capable of being applied to edible material and other vegetation without risk of harm to animals, including humans.
  • the insecticidal compositions are friendly to the environment.
  • one aspect of the present invention provides an aqueous composition
  • aqueous composition comprising acetic acid and at least one of citric acid, malic acid and ascorbic acid, said composition being effective as an insecticide.
  • a further aspect provides an aqueous composition comprising acetic acid and citric acid, said composition being effective as an insecticide.
  • Another aspect of the present invention provides an aqueous insecticidal composition of acetic and citric acids, said composition being more effective as an insecticide than either acetic acid or citric acid at the same concentration.
  • the concentration of acetic and citric acids is such that the composition does not exhibit herbicidal properties on tomatoes.
  • a further aspect of the present invention provides an aqueous insecticidal composition of acetic acid and citric acid, the ratio of acetic acid to citric acid being in the range of 10:1 to 1 :1 on a weight basis, preferably in the range of 4:1 to 1 :1 on a weight basis, the concentration of acetic acid being less than 8 g/l.
  • An additional aspect of the invention provides use of aqueous compositions of acetic and citric acids as an insecticide, especially such use in the absence of herbicidal activity. Further aspects of the invention are as follows: An insecticide composition comprising acetic acid and surfactant. An insecticide composition comprising citric acid and surfactant.
  • the present invention relates to aqueous insecticidal compositions of acetic acid, especially aqueous insecticidal compositions of acetic acid and at least one of citric acid, malic and ascorbic acid.
  • aqueous insecticidal compositions of acetic acid and citric acid are particularly described herein with reference to a preferred embodiment viz. aqueous insecticidal compositions of acetic acid and citric acid.
  • the combination of acetic and citric acids exhibits synergistic effects as an insecticide, with the resulting composition being more effective as an insecticide than a corresponding composition of acetic acid or citric acid alone at the same concentration.
  • the insecticidal composition may be formulated such that the concentration of acetic and citric acids is such that the composition does not exhibit herbicidal properties, especially herbicidal properties with respect to tomatoes, cabbage, roses and peppers, broad leaf plants and/or other vegetation.
  • the composition of the invention comprises a synergistic combination of acetic acid and citric acid, in aqueous solution.
  • the acetic acid component is conveniently provided by domestic white vinegar while the citric acid is conveniently provided by lemon juice or juices of other citrus fruits. It is understood, however, that industrial sources of either or both of these components may be used.
  • the composition may be formulated using glacial acetic acid.
  • the weight ratio of acetic acid to citric acid in the insecticidal composition may vary over a wide range, for instance, in the range of from about 10:1 to about 1 :1 , preferably in the range of 4:1 to 1 :1 , on a weight basis. In embodiments, the weight ratio of acetic acid to citric acid is in the range of 4:1 to about 2:1.
  • the insecticidal composition in use may contain up to 100 g/l of acetic acid and 50 g/l of citric acid, with the preferred amount of acetic acid being up to 10g/I and especially up to 4 g/l.
  • the composition should contain at least 1 g/l of acetic acid and 0.5 g/l of citric acid. Preferred compositions contain about 4 g/l of acetic acid and 2 g/l of citric acid.
  • the insecticidal activity of the combination of acetic acid and citric acid may be enhanced by addition of surfactants, vegetable oils, alkylene glycol and/or soap.
  • soap is known for use in insecticidal compositions, the amount of soap added to the compositions of the present invention is less than that normally used for insecticidal compositions in which soap is the active ingredient.
  • alkylene glycols include propylene glycol.
  • soaps include insecticidal soaps.
  • a particularly preferred composition contains acetic acid, citric acid and surfactant, especially a surfactant available as SpontoTM 300T. Other surfactants may be used.
  • the amount of surfactant should be in the range of 0.1-40 g/l, preferably 1-5 g/l.
  • the citric acid may be replaced in whole or in part with malic acid and/or ascorbic acid.
  • the composition may be acetic acid with one or more acids selected from the group consisting of citric acid, malic acid and ascorbic acid. Concentration and ratios of the acetic acid and other acid have been discussed above with respect to use of citric acid.
  • acetic acid may be used with surfactant as an insecticide, with or without added citric or other acid.
  • citric acid may be used with surfactant as an insecticide, with or without added acetic or other acid.
  • the insecticidal composition may be formulated so as to be effective on one or more of a variety of insects.
  • the insecticidal composition may be formulated so as to kill the insects or to merely paralyze the insects. In the latter instance, it might be beneficial to be able to spray vegetation e.g. a house plant, so as to paralyze the insects which are then removed from the location of the house plant. Such use could be beneficial if higher concentrations of the insecticide might be harmful to the plant.
  • surfactants, soaps and propylene glycol aid in effecting penetration of the composition of acetic and citric acids into the insect, to increase its effectiveness. Thus, surfactants, soaps and propylene glycol tend to increase the toxicity of the acids.
  • the increase in toxicity may be dependent on the insect, and the examples herein show instances of adverse or antagonistic effects.
  • addition of surfactant and soap had antagonistic effects in the effectiveness of acetic acid and citric acid on flea beetles but not on corn root worm.
  • insects were counted and placed in a clean glass beaker, where they were sprayed with the insecticidal composition being tested. The insects were then immediately transferred to a clean, dry glass flask and covered with paper tissue. The insects remained in the latter flasks for a period of 24 hours, at which time the insects were inspected.
  • the insecticidal compositions being tested were formulated in aqueous solution.
  • the amounts of the ingredients are specified in the examples, and unless stated otherwise, are expressed in grams/litre.
  • the present invention is illustrated by the following examples.
  • compositions were prepared, as indicated in Table 1 below. The compositions were tested on Northern corn root worm adults
  • insects (diabrotica longiscornis). The insects were treated and tested as indicated above.
  • Wilson's Insecticidal SoapTM is alkanolamine salts of fatty acids, registered under No. 21111 of the P.C.P. Act. Wilson's Insecticidal Soap is a 25% concentrate in water, and a typical usage is 50 ml of concentrate in one litre of water. Complete coverage of top and bottom of a leaf is recommended, or immersion of the plant in solution.
  • soaps are insecticidal, and the soap tested is an insecticidal soap.
  • the results show that the soap at 50 g/l, based on the concentrate, gave only 40% control. At a concentration of 10 g/l of concentrate, there was no control. Combinations with acetic and citric acid gave substantially higher levels of control.
  • Combinations of acetic acid and citric acid with propylene glycol, surfactant and/or soap exhibited varying degrees of effectiveness against Northern corn root worm adults.
  • compositions of acetic acid, citric acid and surfactant were effective insecticidal compositions for flea beetles, but addition of soap to such compositions reduced the effectiveness.
  • the compositions of the invention need to be formulated to be effective against particular insects.
  • EXAMPLE IV A solution of 4 g of acetic acid, 2 g citric acid, 1 g surfactant and 50 g of propylene glycol was tested with mites and with both potato beetle adults and larvae. In all instances, 100% of the insects were killed.
  • compositions of (i) 4 g/l acetic acid, 2 g/l citric acid and 1 g/l of SpontoTM 300T and (ii) 4 g/l acetic acid, 2 g/l citric and 5 g/l of SpontoTM 300T surfactant were tested on cabbage, roses, peppers and tomatoes. No herbicidal effects were noticed.
  • compositions of the invention cause rapid or even instantaneous paralysis. The insects may recover in time, e.g. a period of 30 minutes to two hours. However, if the composition is fatal, rather than causing paralysis, the insects become paralyzed and exhibit a change of colour and/or shape.
  • insects e.g. worms, aphids and thrips
  • An area of fluid is often noted around the insect, which is believed to be an indication of dehydration effects.
  • the present invention provides aqueous insecticidal compositions that are environmentally acceptable.
  • the compositions are synergetic insecticidal compositions of acetic and citric acid, optionally containing surfactant, soap and/or propylene glycol.
  • a preferred composition contains acetic acid and citric acid and surfactant.
  • Example III The procedure of Example III was repeated, except that citric acid was replaced with malic acid.

Abstract

Composition aqueuse contenant de l'acide acétique et/ou de l'acide malique, et/ou de l'acide citrique et/ou de l'acide ascorbique, destinée à être utilisée en tant que composition insecticide. La composition peut contenir un tensioactif, du savon et/ou du propylène glycol.
PCT/CA1999/000755 1998-09-15 1999-08-17 Composition insecticide WO2000015035A1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
AU52748/99A AU5274899A (en) 1998-09-15 1999-08-17 Insecticidal composition
EP99938103A EP1113719A1 (fr) 1998-09-15 1999-08-17 Composition insecticide
US09/787,042 US6586470B1 (en) 1998-09-15 1999-08-17 Insecticidal composition
CA002343143A CA2343143A1 (fr) 1998-09-15 1999-08-17 Composition insecticide
IL14194499A IL141944A0 (en) 1998-09-15 1999-08-17 Insecticidal composition
BR9913699-6A BR9913699A (pt) 1998-09-15 1999-08-17 Composição inseticida
JP2000569636A JP2002524474A (ja) 1998-09-15 1999-08-17 殺虫組成物
MXPA01002709A MXPA01002709A (es) 1998-09-15 1999-08-17 Composicion insecticida.
EA200100333A EA003401B1 (ru) 1998-09-15 1999-08-17 Инсектицидная композиция
KR1020017003240A KR20010079812A (ko) 1998-09-15 1999-08-17 살충제 조성물
NO20011281A NO20011281L (no) 1998-09-15 2001-03-14 Insekticid preparat

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10031698P 1998-09-15 1998-09-15
US60/100,316 1998-09-15

Publications (1)

Publication Number Publication Date
WO2000015035A1 true WO2000015035A1 (fr) 2000-03-23

Family

ID=22279169

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA1999/000755 WO2000015035A1 (fr) 1998-09-15 1999-08-17 Composition insecticide

Country Status (15)

Country Link
US (1) US6586470B1 (fr)
EP (1) EP1113719A1 (fr)
JP (1) JP2002524474A (fr)
KR (1) KR20010079812A (fr)
CN (1) CN1317930A (fr)
AR (1) AR020455A1 (fr)
AU (1) AU5274899A (fr)
BR (1) BR9913699A (fr)
CA (1) CA2343143A1 (fr)
EA (1) EA003401B1 (fr)
IL (1) IL141944A0 (fr)
MX (1) MXPA01002709A (fr)
NO (1) NO20011281L (fr)
WO (1) WO2000015035A1 (fr)
ZA (1) ZA200102086B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000069263A1 (fr) * 1999-05-14 2000-11-23 Ecoval Corporation Regulateur de la croissance de vegetaux
US7226892B2 (en) 2003-02-03 2007-06-05 Durga Technologies Aps Herbicidal composition and use
WO2013140119A3 (fr) * 2012-03-21 2013-11-14 Natural Biotechnology Sprl Traitement préalable aux récoltes
CN103651585A (zh) * 2013-12-06 2014-03-26 何小刚 一种防虫剂
ES2749225R1 (es) * 2017-02-18 2020-04-03 Mitra Sol Tech S L Combinación sinérgica insecticida de vinagre y aceite esencial de cítricos

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US7790377B2 (en) * 2003-08-29 2010-09-07 The University Of North Carolina At Greensboro Compounds that act to modulate insect growth and methods and systems for identifying such compounds
US20100240056A1 (en) * 2003-08-29 2010-09-23 Henrich Iii Vincent C Methods And Systems For Screening Species-Specific Insecticidal Candidates
US8637237B2 (en) * 2003-08-29 2014-01-28 The University Of North Carolina At Greensboro Methods, compositions, and systems for the identification of species-specific or developmental stage-specific insecticides
CA2530230A1 (fr) * 2004-12-15 2006-06-15 Bioz Agri Products Inc. Engrais organique pulverisable
JP4151696B2 (ja) * 2005-12-20 2008-09-17 道生 大嶋 農薬の補助剤
CN104222135B (zh) * 2008-12-26 2017-04-26 美国陶氏益农公司 稳定的亚磺酰亚胺杀虫剂组合物
US7829513B2 (en) * 2009-03-12 2010-11-09 Greenology Products, Inc. Organic cleaning composition
US10743535B2 (en) 2017-08-18 2020-08-18 H&K Solutions Llc Insecticide for flight-capable pests
US11102975B2 (en) * 2018-04-03 2021-08-31 Stephen C. Perry Rodenticide
BR112022017217A2 (pt) * 2020-02-28 2022-10-11 Ac Planta Inc Agente de melhora de tolerância ao calor ou tolerância à secagem, agente de melhora de tolerância ao sal, agente de melhora de atividade para plantas

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000069263A1 (fr) * 1999-05-14 2000-11-23 Ecoval Corporation Regulateur de la croissance de vegetaux
US7226892B2 (en) 2003-02-03 2007-06-05 Durga Technologies Aps Herbicidal composition and use
WO2013140119A3 (fr) * 2012-03-21 2013-11-14 Natural Biotechnology Sprl Traitement préalable aux récoltes
CN103651585A (zh) * 2013-12-06 2014-03-26 何小刚 一种防虫剂
ES2749225R1 (es) * 2017-02-18 2020-04-03 Mitra Sol Tech S L Combinación sinérgica insecticida de vinagre y aceite esencial de cítricos

Also Published As

Publication number Publication date
IL141944A0 (en) 2002-03-10
KR20010079812A (ko) 2001-08-22
EP1113719A1 (fr) 2001-07-11
CA2343143A1 (fr) 2000-03-23
BR9913699A (pt) 2001-06-05
ZA200102086B (en) 2002-06-13
EA200100333A1 (ru) 2001-10-22
AU5274899A (en) 2000-04-03
MXPA01002709A (es) 2002-04-08
AR020455A1 (es) 2002-05-15
NO20011281D0 (no) 2001-03-14
CN1317930A (zh) 2001-10-17
NO20011281L (no) 2001-05-14
US6586470B1 (en) 2003-07-01
EA003401B1 (ru) 2003-04-24
JP2002524474A (ja) 2002-08-06

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